While Samsung Galaxy Note 4 has the build number N910FXXS1DQE9, Samsung Galaxy Note Edge comes with build number N915FXXS1DQF1.
Both the devices were launched three years back. Initially, they came with Android KitKat on board, however, later they were updated to Lollipop and then to Marshmallow. Sadly, they will remain on Marshmallow for their entire life, as they won’t get updated to Nougat.
As is the case with any security patch, the update takes care of various security vulnerabilities and brings along fixes to existing bugs. You can also expect performance and stability improvements from the update.
It is advisable to connect to a good Wi-Fi network before downloading the update and keep your handset charged as high as 50 percent while installing the update.
If you haven’t received the update yet, you can check for it manually via the device settings. Go to Settings – About – Software updates.